• Country
• Japan

• Manufacturer / Brand
• Mitsubishi Electric Corporation

• Year
• 1964–1968

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 159892

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Transistors
• 12

• Semiconductors
• 2SA234 2SA350 2SA141 2SA141 2SB135 2SB135 2SB135 2SB135 2SB136 2SB136 2SB136 2SB136

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz

• Wave bands
• Broadcast plus 2 Short Wave bands.

• Power type and voltage
• Dry Batteries / C: 4 x 1.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: High Fidelity 3 Band 12 Trans. 12X-688 - Mitsubishi Electric

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Notes
• Mitsubishi High Fidelity 3 Band 12 Transistor (type 12X-688 unproven);
  SW1: ~4 - 11 MHz,
  SW2: ~11 - 22 MHz,
  tuning/batt. meter, SW fine tuning, tone control, dial light, telescopic antenna, chrome front grille, earphones port, sold in brown leather carrying case.

• Price in first year of sale
• 49.35 AUS £

• Mentioned in
• Mingay's Price Service (Feb 1965 to Feb 1968.)

• Literature/Schematics (1)
• J.R. Publications Transistor Radio Service Handbook (Group C2, 1965, Page M29.)

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 325 models, 264 with images and 92 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Mitsubishi Electric Corporation